+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   166570 Adolftrager (2002 RG118) Classification: Outer Main-belt Asteroid          SPK-ID: 2166570 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09201617873089309 4.301e-08   a 3.226338305516684 2.8208e-08 au q 2.929462983349934 1.4716e-07 au i 6.54499536672304 5.5653e-06 deg node 303.5102858401184 4.2276e-05 deg peri 89.0969300519869 5.2533e-05 deg M 2.155761235341357 3.0208e-05 deg tp 2458987.824606781359 (2020-May-18.32460678) 0.0001776 TDB period 2116.719367573276 5.80 2.776e-05 7.6e-08 d yr n .1700745056311947 2.2305e-09 deg/d Q 3.523213627683434 3.0804e-08 au   Orbit Determination Parameters    # obs. used (total)      623      data-arc span      7062 days (19.33 yr)      first obs. used      2001-06-19      last obs. used      2020-10-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49465      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 11:30:36   Additional Information  Earth MOID = 1.94508 au   Jupiter MOID = 1.89717 au   T_jup = 3.171  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6   n/a MPO493942   diameter diameter 6.717 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.068   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   166570 Adolfträger           Discovered 2002 Sept. 8 by KLENOT at Klet. Adolf Träger (1888-1965) was a Czech painter, known for landscape paintings of the countryside of South Bohemia and the historical towns of České Budějovice and Český Krumlov. He was deeply concerned with preservation of historical buildings. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20080321/MPCPages.arc Last Updated: 2008-03-26 [ show close-approach data ] Alternate Designations  2002 RG118 = 2001 MB6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 21:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin